// export function setCookie(c_name,value,expire) {
//     var date=new Date()
//     date.setSeconds(date.getSeconds()+expire)
//     document.cookie=c_name+ "="+escape(value)+"; expires="+date.toGMTString()
//     //console.log(document.cookie)
// }
//
// export function getCookie(c_name){
//     if (document.cookie.length>0){
//         let c_start=document.cookie.indexOf(c_name + "=")
//         if (c_start!=-1){
//             c_start=c_start + c_name.length+1
//             let c_end=document.cookie.indexOf(";",c_start)
//             if (c_end==-1) c_end=document.cookie.length
//             return unescape(document.cookie.substring(c_start,c_end))
//         }
//     }
//     return ""
// }
//
// export function delCookie(c_name){
//     setCookie(c_name, "", -1)
// }
//
//
//设置cookie
export function setCookie(cname, cvalue, exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
    var expires = "expires=" + d.toUTCString();
    // console.info(cname + "=" + cvalue + "; " + expires);
    document.cookie = cname + "=" + cvalue + "; " + expires;
    // console.info(document.cookie);
}
//获取cookie
export function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    // console.log("获取cookie,现在循环")
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        // console.log(c)
        while (c.charAt(0) == ' ') c = c.substring(1);
        if (c.indexOf(name) != -1){
            return c.substring(name.length, c.length);
        }
    }
    return "";
}
//清除cookie
export function clearCookie(username) {
    setCookie(username, "", -1);
}
export function checkCookie(username) {
    var user = this.getCookie(username);
    if (user != "") {
        alert("Welcome again " + user);
    } else {
        user = prompt("Please enter your name:", "");
        if (user != "" && user != null) {
            this.setCookie(username, user, 365);
        }
    }
}

